Convert Bitmap Image to byte array (Windows phone 8)

Question

I am new to windows phone dev. My small app need a bytesarray from image (photo gallery). I tried many ways to convert, but it did not work fine.

here is my code:

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Answer 1

for windows phone 8

using System.IO;

public static class FileToByteArray
{
    public static byte[] Convert(string pngBmpFileName)
    {
        System.IO.FileStream fileStream = File.OpenRead(pngBmpFileName);

        using (MemoryStream memoryStream = new MemoryStream())
        {
            fileStream.CopyTo(memoryStream);
            return memoryStream.ToArray();
        }
    }
}
byte[] PasPhoto = FileToByteArray.Convert("Images/NicePhoto.png")